Model
30
45
60
75
100
125
150
175
200
225
250
300
350
400
Total Input
[Btu/h] x [1000]
30
45
60
75
100
125
150
175
200
225
250
300
350
385
Total Output
[Btu/h] x [1000]
24.6
36.9
49.2
61.5
82
102.5
123
143.5
164
184.5
205
246
288.6 315.7
Efficiency
82% - All Models
Number of Burners
2
3
4
5
6
7
7
8
9
10
11
12
14
14
Gas Connection
[in]
3
/
8
3
/
8
½
½
½
½
½
½
½
¾
¾
¾
¾
¾
Inlet Pressure
[in wc] NG Min.
5 - All Models
LPG Propane Min.
12 - All Models
NG & LP Propane Max.
14 - All Models
Electrical Supply
115 V / 60 Hz / 1 Ø - All Models
Full Load Amps @ 115 V
3.0
3.0
4.1
4.1
5.8
5.8
7.1
7.1
10.6
10.6
10.6
11.6
11.6
11.6
Air Volume
[CFM]
691
691
1376
1376
1902
1902
2245
2245
3716
3716
3716
4663
4663
4663
Recommended Maximum
Mounting Height
[ft]
12
12
15
15
20
20
20
20
25
25
25
30
30
30
Number of Axial Fans
1
1
1
1
1
1
1
1
1
1
1
2
2
2
Axial Fan Diameter
[in]
10
10
16
16
16
16
16
16
19.7
19.7
19.7
16
16
16
Horsepower
.06
.06
.08
.08
.2
.2
.2
.2
.3
.3
.3
.4
.4
.4
Fan Motor Amps @ 115 V
1.8
1.8
2.6
2.6
4.3
4.3
4.3
4.3
4.7
4.7
4.7
8.6
8.6
8.6
Fan Motor RPM
1630
1630
1030
1030
1175
1175
1200
1200
1085
1085
1100
1155
1155
1155
Fan Motor Type
SP
SP
SP
SP
PSC
PSC
PSC
PSC
PSC
PSC
PSC
PSC
PSC
PSC
Flue Size
[in]
4 - All Models
Combustion Air Size
[in]
4
4
4
4
4
4
4
4
4
4
4
5
5
5
Weight
[lb]
65
70
85
90
105
110
205
225
255
265
270
355
375
375
Printed in U.S.A.
UHASNA
5M 1106 Rev. A
Roberts-Gordon, LLC
1250 William Street
P.O. Box 44
Buffalo, NY 14240-0044 USA
Telephone: 716.852.4400
Fax: 716.852.0854
Toll Free: 800.828.7450
www.rg-inc.com
European Office:
Roberts Gordon Europe Limited
Telephone: +44(0) 1902 494425
Fax: +44(0) 1902 403200
Important Notice
The equipment described in this Data Sheet is suitable for most commercial and industrial heating applications. However, in certain environments,
particularly where there is a chlorinated atmosphere (e.g. near degreasing plant or other solvent processes) or a particularly dusty atmosphere, specialist
advice should be sought at the design stage. Roberts-Gordon reserves the right to alter product specification details without notice.
Installation Code and Annual Inspections:
All installations and service of ROBERTS GORDON
®
products must be performed by a contractor qualified in the installation and service of products sold
and supplied by Roberts-Gordon and conform to all requirements set forth in the ROBERTS GORDON
®
manuals and all applicable governmental authorities
pertaining to the installation, service and operation of the equipment. To help facilitate optimum performance and safety, Roberts-Gordon recommends that a
qualified contractor annually inspect your ROBERTS GORDON
®
products and perform service where necessary, using only replacement parts sold and sup-
plied by Roberts-Gordon, LLC.
Further Information:
Applications, engineering and detailed guidance on systems design, installation and product performance is available through
ROBERTS GORDON
®
representatives. Please contact us for any further information you may require, including the Installation, Operation and Service Manual.
This product is not for residential use.
This document is intended to assist licensed professionals in the exercise of their professional judgement.
© 2006 Roberts-Gordon, LLC All rights reserved. No part of this work covered by the copyrights herein may be reproduced or copied in any form or by any means
– graphic, electronic, or mechanical, including photocopying, recording, taping, or information storage and retrieval systems – without written
permission of Roberts-Gordon, LLC.
Combat
®
UHA-Series Technical Data
